Stackable sprinkler



FIG. 1 is a right, front perspective view of a stackable sprinkler;

FIG. 2 is a bottom right, front perspective view thereof;

FIG. 3 is a right-side, elevational view thereof;

FIG. 4 is a top, plan view thereof;

FIG. 5 is a bottom, plan view thereof;

FIG. 6 is a rear, elevational view thereof;

FIG. 7 is a front, elevational view thereof;

FIG. 8 is a cross-sectional view taken along line 8—8 in FIG. 3; and,

FIG. 9 is a cross-sectional view taken along line 9—9 in FIG. 3.

The broken lines in the drawings illustrate environmental structure and form no part of the claimed design. 

The ornamental design for a stackable sprinkler, as shown and described. 